About RulingsUS Customs law is constantly changing, and Customs rulings are an integral part of that. CustomsMobile knows that it is vital for users - such as government employees, the trade community, and the general public - to stay up-to-date with these ever-changing rules. CustomsMobile Rulings hosts a vast library of Customs’ published rulings (comprised heavily of classification and valuation subject matter) to make sure users have access to all such Customs administrative decisions. The powerful website search engine ensures users find exactly what they are looking for. To harness the power of our search engine, we encourage you to review our search guide.